[gst-devel] Which CODEC for mjpg?

Michael Smith msmith at xiph.org
Mon Nov 29 19:46:49 CET 2010


JPEG is decoded by the 'jpegdec' element, in the jpeg plugin.

The problem you're describing sounds like the AVI demuxer doesn't
recognise this file as containing jpeg, though. Perhaps another
mapping entry needs adding to the riff lib.

Mike


On Mon, Nov 29, 2010 at 10:28 AM, Brian Michalk <michalk at awpi.com> wrote:
> I am trying to put together a gst-launch pipeline to play some AVI
> files.  I'm using
>
> gst-launch -v uri=<my input filename>
>
> And the errors it returns:
> *** Message: don't know how to handle video/x-avi-unknown,
> fourcc=(fourcc)mjpg
> ERROR: from element /GstPlayBin:playbin0: You do not have a decoder
> installed to handle this file.  You might need to install the necessary
> plugins.
>
> So, which plugin do I need to decode this file?  I have browsed the
> plugins page, but can't find an mjpg capability.
>
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